Girayr (also spelled Jirair or Zhirair), born Harutiun-Mardiros Boyadjian (Armenian: Ժիրայր, Յարութիւն-Մարտիրոս Պօյաճեան; 1856 – 24 March 1894), was an Armenian fedayee leader and activist of the Social Democrat Hunchakian Party. He was the senior brother of fedayee leader Medzn Murad.